It consists of skin, connective tissue, a thin layer of muscle and the mammary gland which is the main part and produces the milk.
An udder is a fleshy, soft mammary system consisting of glands, epithelial cells, veins, ducts & nerves.
Udders contain mammary glands that produce milk. See related question below.
Through the process of evolution.
Tissue
Yes, of course! A cow isn't a cow without an udder now is she?
The teats on the udder.
The udder will only swell, the cow is dropping her milk into the milk cisterns in the udder for the calf to suckle.
on a cow
Not exactly. A cow can have a large udder yet produce a little amount of milk if she is either under stress or is not being fed properly. However, it is definitely true that a cow with a larger udder will be more productive in terms of milking ability than a cow with a smaller udder.
The udder, just like in a cow. The udder is stationed in the same area as a cow's, only there are just two teats, not four, on that udder.
When the cow's udder is full and heavy, it needs to be milked.
UDDER
Udder size is heritable, yes. This is quantified by milk production: as we've seen in dairy cows, the larger the udder the more milk a cow will (or should) produce.
Cheese is made from milk, which is produced by the udder or mammary gland.
The udder.
A cow is a mature bovine that has had at least a couple calves, so her udder has already formed. A heifer, on the other hand, will only begin to form an udder when she is in the last trimester of pregnancy.